Béziers History from Cathar to Canal Du Midi

The Massacre at Béziers occurred on 22 July 1209 during the sack of Béziers by crusaders. Abbot Arnaud Amalric gave the order to "Kill them all, for God knows which are His own." Then imagine in 1660 a huge bridgeworks began for crossing the Orb river. The workers must of thought the project insane back then because the bridge was for crossing boats with pulled by horses . Which is the Canal du Midi